@class NSString;

@interface MailUI.MessageListCollectionHeaderView : UICollectionReusableView {
    void /* unknown type, empty encoding */ titleLabel;
}

@property (nonatomic, retain) void /* unknown type, empty encoding */ layoutValuesHelper;
@property (nonatomic) void /* unknown type, empty encoding */ useSplitViewStyling;
@property (nonatomic, copy) NSString *title;

- (id)initWithFrame:(struct CGRect { struct CGPoint { double x0; double x1; } x0; struct CGSize { double x0; double x1; } x1; })a0;
- (void).cxx_destruct;
- (id)initWithCoder:(id)a0;

@end